Element block pseudo-class :active generated with box-sizing content-box border 0px rgba(0,0,0,1) solid transition z-index auto line-height 1 cursor default padding 20px transform position static text-shadow 1px 1px 1px rgba(0,0,0,0.2) display block font-size 16px border-radius height auto float none box-shadow 1px 1px 1px rgba(0,0,0,0.3) overflow hidden font-weight normal width auto background margin 16px